20000248465 has 4 divisors (see below), whose sum is σ = 24000298164. Its totient is φ = 16000198768.

The previous prime is 20000248403. The next prime is 20000248469. The reversal of 20000248465 is 56484200002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56484200002 = 2 ⋅28242100001.

It can be written as a sum of positive squares in 2 ways, for example, as 10544825344 + 9455423121 = 102688^2 + 97239^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000248465 - 2⁷ = 20000248337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000248469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000024842 + ... + 2000024851.

It is an arithmetic number, because the mean of its divisors is an integer number (6000074541).

Almost surely, 2^20000248465 is an apocalyptic number.

It is an amenable number.

20000248465 is a deficient number, since it is larger than the sum of its proper divisors (4000049699).

20000248465 is an equidigital number, since it uses as much as digits as its factorization.

20000248465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000049698.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 20000248465 its reverse (56484200002), we get a palindrome (76484448467).

The spelling of 20000248465 in words is "twenty billion, two hundred forty-eight thousand, four hundred sixty-five".